Package and noncorrodible container



June 18,1940. F. c. ATWOOD 2,204,746

PACKAGE AND NONCORRODIBLE CONTAINER I Filed Sept. 24, 1936 INVENTOR BY fi e l v i iii Kiti

Patented time 18, 194d Q Ni T a stares alga PAQKAGE awn nonconnonraan con'rsnwra poration ofllielaware Application September 2 3, 1936, Serial No. 102,369

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This invention relates to a novel package and noncorrodible container.

One object of the present invention is to provide a novel package containing protein material and water and which is adapted to enable the protein material to be kept for long periods of time without corrosion of the container and the accompanying contamination of the protein material as a result of the solution of portions of the container.

Another object of the invention is to provide a novel and highly useful noncorrodible container which is particularly adapted among other uses for holding materials of a protein nature which at the present time present dimculties as a result of the corrosive action of such materials in the presence of water upon the innner portions oi the metal cans which have heretofore been used.

With these general objects in view, and such others as may hereinafter appear, the invention consists in the package and in the noncorrodible container used in producing the package hereinafter described and particularly defined in the claim at the end of this specification.

The drawing illustrates in vertical section the present package and noncorrodible container.

The problem of packaging corrodible materials, and particularly those embodying water in metal containers has proven dificult oi solution. For example, in the packaging of materials of a protein nature such as glues. casein paints, and various other water paints, metal pails and cans have been employed but difficuity has been experienced in protecting the inner surfaces of the can or pail from thecorrosive'eiiect of the water solution or emulsion of such protein materials. In the presence of water the protein materials are acidic in nature and accelerate corrosion of the steel, tin plate, or other materials which have heretofore been commercially used in the attempt to protect the inside of the metal containers. Attempts hav also been made to utilize lacquers but such lacquer coatings gradually soften under the continuous exposure to water for relatively long periods of time, with the result that corrosion of the containers has occurred and has contaminated the water paint or other material with the products resulting from the corrosion.

Referring now to the drawing, it represents a container, preferably of metal, and which is pro.- vided upon its inner surface with a protective film it of wool fat. It is preferred to utilize lanolin or commercial forms of purified wool was, wool grease or degree. in producing the (0B. wit-6%) present package the water mixture or solution as the case may be of the corrodible material to be packaged and which preferably may comprise a protein material such as glue, casein, and the like, is contained within the prepared container, and as herein illustrated such material is indicated at it. The container may be provided with a cover member it, the under surface or which may also be provided with the protective film it of the lanolin, wool grease, wool wax, or degras.

In the application of the film it to the inner surfaces of the container it and cover member it, I prefer to utilize anhydrous lanolin, wool,

wax, or degras, and render the same fluid with turpentine or solvent spirits of any suitable na= ture after which the him may be applied by brushing or otherwise. 7

The present container has been found to be capable of storing the corrodible protein material for long periods of time with no efiect. upon the container and with the elimination of the contamination of the material as a result of corroslve action.

While the present container with its improved protective film lends itself particularly to the production of a noncorrodible package embodying a corrodible protein material, nevertheless it will be understood that the container may be used with advantage for the reception and storage of 'lin, wool wax, wool grease or degras.

Having thus described the invention, what is claimed is:

A package comprising a metal container, a cover member therefor for closing the container, both the cover member and the container being formed from a metal that is corroded by an aqueous casein paint, said cover and container being provided with a protective film of wool fat at allportions where said paint would normally contact said metal, and an aqueous casein paint within said container which is separated from said metal by said protective film of wool fat, whereby the metal is protected from corrosion due to the paint, and the paint may be stirred in the container without objectionable con== taminaticn by the wool fat.

WANC'ES CLARE ATWQOD. 

